//封装一个获取并判断时间的函数
export const getTime=()=>{
    let message = '';
    let hours = new Date().getHours();
    if(hours <= 9){
        message = '早上'
    }else if (hours <= 12){
        message = '上午'
    }else if (hours <= 18){
        message = '下午'
    }else {
        message = '晚上'
    }
    return message;
}